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Finding the Fourth Proportional to 37,590.52, 51,863.16 and 21,672.84

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Solution

The fourth proportional to 37,590.52, 51,863.16 and 21,672.84 is: 29,901.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,590.52 : 51,863.16 = 21,672.84 : x
  2. Step 2: Convert to fraction form
    37,590.52/51,863.16 = 21,672.84/x
  3. Step 3: Cross multiply
    37,590.52x = 51,863.16 × 21,672.84
  4. Step 4: Simplify right side
    37,590.52x = 1,124,021,968.57
  5. Step 5: Solve for x
    x = 1,124,021,968.57/37,590.52
  6. Step 6: Final answer
    x = 29,901.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.